Update expanded FAIR acronym member, reproducible to reusable

Reusable is the accepted 'R' in FAIR. Reference: 
"namely, that all research objects should be Findable, Accessible, Interoperable and Reusable (FAIR) both for machines and for people."

Wilkinson, M., Dumontier, M., Aalbersberg, I. et al. The FAIR Guiding Principles for scientific data management and stewardship. Sci Data 3, 160018 (2016). https://doi.org/10.1038/sdata.2016.18

Author: Austin Raney

content/en/governance/charter/_index.md

@@ -87,7 +87,7 @@ replicable, interoperable, and reliable models. These standards include, but are
 
 - **Discoverability and Accessibility:** Standards for accessibility
   ensure that model code is available in FAIR-aligned digital
-  repositories (Findable, Accessible, Interoperable, Reproducible) and
+  repositories (Findable, Accessible, Interoperable, Reusable) and
   that model developers receive public recognition and professional
   credit for code they make accessible in this way.